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US2746091A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the manufacture of blended yarns

Assignee: CONST MECANIQUES DE STAINS SOC
•
Filing: 1955-01-17
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Granted: 1956-05-22
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Expires: 1975-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Tissot Germain
  • 👤 Ott Pierre-Georges-Rober

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:45
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/005; D01G; D01G1/00; D01G1/06; D01G1/08; D01G1/081; D01G1/083

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 64 words
THE METHOD OF MAKING BLENDED Y ARN FROM AT LEAST TWO TOWS OF CONTINUOUS FILAMENTS HAVING DIFFERENT CHARACTERISTICS, WHICH COMPRISES SPREADING EACH TOW INTO A FLAT RIBBON OF PARALLEL FILAMENTS, SUPERIMPOSING SAID RIBBONS TO MAKE A COMPOSITE RIBBON OF BLENDED FILAMENTS, DRAWING SAID COMPOSITE RIBBON TO RUPTURE TOI FORM A STAPLE FIBER TOP AND SPINNING SAID TOP INTO A YARN COMPOSITE OF BLENDED FIBERS.

References Cited (Backward Citations)

US2031647A Cited
GB501155A Cited
US2419320A Cited
US2635295A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-22 1959-11-21 1960-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-22 1963-11-21 1964-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-22 1967-11-21 1968-05-22 $7700.00 Window Closed / Lapsed

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